Kentucky CDL General Knowledge case studies
Kentucky CDL General Knowledge · Put your knowledge to work in context.
The Kentucky CDL General Knowledge test is the core written knowledge exam that Class A and Class B commercial driver license applicants must pass at a Kentucky Transportation Cabinet Division of Driver Licensing regional office. It checks whether you understand the safety rules, vehicle systems, and cargo and driving concepts that apply to any commercial motor vehicle, before you add endorsements such as air brakes, tank vehicles, hazardous materials, or school bus. The Kentucky CDL General Knowledge case studies are 5 cases and about 2,263 words.
1Air Pressure Falling on Jellico Mountain
Marcus is driving a 2019 tractor with a three-axle semitrailer, gross weight 78,000 lb, southbound on I-75 approaching the Jellico Mountain grade near the Kentucky-Tennessee line. The sign says 6% grade for 4 miles.
524 words, about 3 min2Steel Coil Securement Arithmetic
Dana is loading two steel coils on a 48-foot flatbed. Each coil weighs 21,000 lb, for 42,000 lb total.
451 words, about 2 min3Rear Pup Sway in Crosswind
Priya is pulling a set of 28-foot doubles on I-64 east of Louisville. The tractor has a 10-speed transmission; the lead trailer is loaded to 22,000 lb and the rear pup to 18,000 lb.
429 words, about 2 min4School Bus at a Passive Crossing
Elena drives a 40-foot, 48-passenger school bus with 24 students aboard on a rural two-lane road in western Kentucky. She approaches a passive railroad crossing marked only by a crossbuck; the view to the left is blocked by a barn 40 feet from the track.
448 words, about 2 min5Placarded Flammable Liquid Leak and Route Choice
Andre is hauling 4,000 lb of a Division 3 flammable liquid (UN 1993, PG II) in 55-gallon non-bulk drums from Louisville to Lexington. The drums are loaded and blocked in the trailer; the bill of lading lists the proper shipping name, hazard class, UN number, and packing group.
411 words, about 2 min